Fix wrong permission check for kolla_logs folder
Fix wrong permission check for kolla_logs folder

kolla_logs is only accessed by root. So use sudo when checking whether
kolla_logs folder exist.

Closes-Bug: #1711996
Change-Id: If324ad6818f53c16d55cd95f8c7bed03f1906721

mrangana/kolla,mrangana/kolla,rahulunair/kolla,stackforge/kolla,rahulunair/kolla,openstack/kolla,nihilifer/kolla,stackforge/kolla,nihilifer/kolla,stackforge/kolla,openstack/kolla